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From:   Junio C Hamano <gitster@pobox.com>
To:     Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc:     Philip Oakley <philipoakley@iee.email>,
        Guy Maurel <guy.j@maurel.de>, git@vger.kernel.org
Subject: Re: a problem with git describe
References: <4ef9287b-6260-9538-7c89-cffb611520ee@maurel.de>
        <3d762060-b817-0246-c4a2-8eb35096cb7f@iee.email>
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        <nycvar.QRO.7.76.6.2204261743590.355@tvgsbejvaqbjf.bet>
Date:   Tue, 26 Apr 2022 09:25:08 -0700
In-Reply-To: <nycvar.QRO.7.76.6.2204261743590.355@tvgsbejvaqbjf.bet> (Johannes
        Schindelin's message of "Tue, 26 Apr 2022 17:45:37 +0200 (CEST)")
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Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:

>> Actually, not quite.  when "git" runs in "sudo git", the real
>> identity has long lost, so the below would not help.  Sigh.
>
> Could you help me understand what is going on exactly? How/when is `git`
> running `sudo git`? I thought the problem was that `sudo make install`
> transitively runs `git describe` with euid 0, but `getuid()` should still
> return the non-admin user's ID, no?

The first "git" is literal English meaning, refers to a person ;-)

Anybody building and installing git would do

	$ sudo make
	$ sudo make install

and no, sudo does not leave a clue in getuid() from whom it came from.